1 /*
2 * Copyright (C) 2008 Sascha Hauer, Pengutronix
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */
18
19 #include <linux/types.h>
20 #include <linux/init.h>
21
22 #include <linux/platform_device.h>
23 #include <linux/mtd/physmap.h>
24 #include <linux/mtd/plat-ram.h>
25 #include <linux/memory.h>
26 #include <linux/gpio.h>
27 #include <linux/smc911x.h>
28 #include <linux/interrupt.h>
29
30 #include <mach/hardware.h>
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/time.h>
34 #include <asm/mach/map.h>
35 #include <mach/common.h>
36 #include <mach/imx-uart.h>
37 #include <mach/iomux-mx3.h>
38 #include <mach/board-pcm037.h>
39 #include <mach/mxc_nand.h>
40
41 #include "devices.h"
42
43 static struct physmap_flash_data pcm037_flash_data = {
44 .width = 2,
45 };
46
47 static struct resource pcm037_flash_resource = {
48 .start = 0xa0000000,
49 .end = 0xa1ffffff,
50 .flags = IORESOURCE_MEM,
51 };
52
53 static struct platform_device pcm037_flash = {
54 .name = "physmap-flash",
55 .id = 0,
56 .dev = {
57 .platform_data = &pcm037_flash_data,
58 },
59 .resource = &pcm037_flash_resource,
60 .num_resources = 1,
61 };
62
63 static struct imxuart_platform_data uart_pdata = {
64 .flags = IMXUART_HAVE_RTSCTS,
65 };
66
67 static struct resource smc911x_resources[] = {
68 [0] = {
69 .start = CS1_BASE_ADDR + 0x300,
70 .end = CS1_BASE_ADDR + 0x300 + SZ_64K - 1,
71 .flags = IORESOURCE_MEM,
72 },
73 [1] = {
74 .start = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
75 .end = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
76 .flags = IORESOURCE_IRQ,
77 },
78 };
79
80 static struct smc911x_platdata smc911x_info = {
81 .flags = SMC911X_USE_32BIT,
82 .irq_flags = IRQF_SHARED | IRQF_TRIGGER_LOW,
83 };
84
85 static struct platform_device pcm037_eth = {
86 .name = "smc911x",
87 .id = -1,
88 .num_resources = ARRAY_SIZE(smc911x_resources),
89 .resource = smc911x_resources,
90 .dev = {
91 .platform_data = &smc911x_info,
92 },
93 };
94
95 static struct platdata_mtd_ram pcm038_sram_data = {
96 .bankwidth = 2,
97 };
98
99 static struct resource pcm038_sram_resource = {
100 .start = CS4_BASE_ADDR,
101 .end = CS4_BASE_ADDR + 512 * 1024 - 1,
102 .flags = IORESOURCE_MEM,
103 };
104
105 static struct platform_device pcm037_sram_device = {
106 .name = "mtd-ram",
107 .id = 0,
108 .dev = {
109 .platform_data = &pcm038_sram_data,
110 },
111 .num_resources = 1,
112 .resource = &pcm038_sram_resource,
113 };
114
115 static struct mxc_nand_platform_data pcm037_nand_board_info = {
116 .width = 1,
117 .hw_ecc = 1,
118 };
119
120 static struct platform_device *devices[] __initdata = {
121 &pcm037_flash,
122 &pcm037_eth,
123 &pcm037_sram_device,
124 };
125
126 /*
127 * Board specific initialization.
128 */
mxc_board_init(void)129 static void __init mxc_board_init(void)
130 {
131 platform_add_devices(devices, ARRAY_SIZE(devices));
132
133 mxc_iomux_mode(MX31_PIN_CTS1__CTS1);
134 mxc_iomux_mode(MX31_PIN_RTS1__RTS1);
135 mxc_iomux_mode(MX31_PIN_TXD1__TXD1);
136 mxc_iomux_mode(MX31_PIN_RXD1__RXD1);
137
138 mxc_register_device(&mxc_uart_device0, &uart_pdata);
139
140 mxc_iomux_mode(MX31_PIN_CSPI3_MOSI__RXD3);
141 mxc_iomux_mode(MX31_PIN_CSPI3_MISO__TXD3);
142
143 mxc_register_device(&mxc_uart_device2, &uart_pdata);
144
145 mxc_iomux_mode(MX31_PIN_BATT_LINE__OWIRE);
146 mxc_register_device(&mxc_w1_master_device, NULL);
147
148 /* SMSC9215 IRQ pin */
149 mxc_iomux_mode(IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO));
150 if (!gpio_request(MX31_PIN_GPIO3_1, "pcm037-eth"))
151 gpio_direction_input(MX31_PIN_GPIO3_1);
152
153 mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info);
154 }
155
156 /*
157 * This structure defines static mappings for the pcm037 board.
158 */
159 static struct map_desc pcm037_io_desc[] __initdata = {
160 {
161 .virtual = AIPS1_BASE_ADDR_VIRT,
162 .pfn = __phys_to_pfn(AIPS1_BASE_ADDR),
163 .length = AIPS1_SIZE,
164 .type = MT_DEVICE_NONSHARED
165 }, {
166 .virtual = AIPS2_BASE_ADDR_VIRT,
167 .pfn = __phys_to_pfn(AIPS2_BASE_ADDR),
168 .length = AIPS2_SIZE,
169 .type = MT_DEVICE_NONSHARED
170 },
171 };
172
173 /*
174 * Set up static virtual mappings.
175 */
pcm037_map_io(void)176 void __init pcm037_map_io(void)
177 {
178 mxc_map_io();
179 iotable_init(pcm037_io_desc, ARRAY_SIZE(pcm037_io_desc));
180 }
181
pcm037_timer_init(void)182 static void __init pcm037_timer_init(void)
183 {
184 mxc_clocks_init(26000000);
185 mxc_timer_init("ipg_clk.0");
186 }
187
188 struct sys_timer pcm037_timer = {
189 .init = pcm037_timer_init,
190 };
191
192 MACHINE_START(PCM037, "Phytec Phycore pcm037")
193 /* Maintainer: Pengutronix */
194 .phys_io = AIPS1_BASE_ADDR,
195 .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
196 .boot_params = PHYS_OFFSET + 0x100,
197 .map_io = pcm037_map_io,
198 .init_irq = mxc_init_irq,
199 .init_machine = mxc_board_init,
200 .timer = &pcm037_timer,
201 MACHINE_END
202
203